﻿/*
Digraph (library for building, traversal, comparison and saving of directed
graph).

Copyright (C) 2014 Dmitry Merzagitovich Arslanov

This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation; either version 2.1 of the License, or (at your option) any
later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*/

using System;

namespace Digraph
{
    /// <summary>
    /// This exception is thrown if user tries to add arc in digraph that
    /// already exists in this digraph.
    /// </summary>
    public sealed class ArcAlreadyExistsException : Exception
    {
    }
}
